Security update for prosody (important)

An update that fixes four vulnerabilities is now available.

Description:

This update for prosody fixes the following issues:

prosody was updated to 0.11.9:

Security:

• mod_limits, prosody.cfg.lua: Enable rate limits by default
• certmanager: Disable renegotiation by default
• mod_proxy65: Restrict access to local c2s connections by default
• util.startup: Set more aggressive defaults for GC
• mod_c2s, mod_s2s, mod_component, mod_bosh, mod_websockets: Set default
  stanza size limits
• mod_authinternal{plain,hashed}: Use constant-time string comparison for
  secrets
• mod_dialback: Remove dialback-without-dialback feature
• mod_dialback: Use constant-time comparison with hmac

Minor changes:

• util.hashes: Add constant-time string comparison (binding to
  CRYPTO_memcmp)
• mod_c2s: Don���t throw errors in async code when connections are gone
• mod_c2s: Fix traceback in session close when conn is nil
• core.certmanager: Improve detection of LuaSec/OpenSSL capabilities
• mod_saslauth: Use a defined SASL error
• MUC: Add support for advertising muc#roomconfig_allowinvites in room
  disco#info
• mod_saslauth: Don���t throw errors in async code when connections are
  gone
• mod_pep: Advertise base pubsub feature (fixes #1632: mod_pep missing
  pubsub feature in disco)
• prosodyctl check config: Add ���gc��� to list of global options
• prosodyctl about: Report libexpat version if known
• util.xmppstream: Add API to dynamically configure the stanza size limit
  for a stream
• util.set: Add is_set() to test if an object is a set
• mod_http: Skip IP resolution in non-proxied case
• mod_c2s: Log about missing conn on async state changes
• util.xmppstream: Reduce internal default xmppstream limit to 1MB

Relevant: https://prosody.im/security/advisory_20210512

• boo#1186027: Prosody XMPP server advisory 2021-05-12
• CVE-2021-32919
• CVE-2021-32917
• CVE-2021-32917
• CVE-2021-32920
• CVE-2021-32918

Update to 0.11.8:

Security:

• mod_saslauth: Disable ���tls-unique��� channel binding with TLS 1.3
  (#1542)

Fixes and improvements:

• net.websocket.frames: Improve websocket masking performance by using the
  new util.strbitop
• util.strbitop: Library for efficient bitwise operations on strings

Minor changes:

• MUC: Correctly advertise whether the subject can be changed (#1155)
• MUC: Preserve disco ���node��� attribute (or lack thereof) in responses
  (#1595)
• MUC: Fix logic bug causing unnecessary presence to be sent (#1615)
• mod_bosh: Fix error if client tries to connect to component (#425)
• mod_bosh: Pick out the ���wait��� before checking it instead of earlier
• mod_pep: Advertise base PubSub feature (#1632)
• mod_pubsub: Fix notification stanza type setting (#1605)
• mod_s2s: Prevent keepalives before client has established a stream
• net.adns: Fix bug that sent empty DNS packets (#1619)
• net.http.server: Don���t send Content-Length on 1xx/204 responses (#1596)
• net.websocket.frames: Fix length calculation bug (#1598)
• util.dbuffer: Make length API in line with Lua strings
• util.dbuffer: Optimize substring operations
• util.debug: Fix locals being reported under wrong stack frame in some
  cases
• util.dependencies: Fix check for Lua bitwise operations library (#1594)
• util.interpolation: Fix combination of filters and fallback values #1623
• util.promise: Preserve tracebacks
• util.stanza: Reject ASCII control characters (#1606)
• timers: Ensure timers can���t block other processing (#1620)

Update to 0.11.7:

Security:

• mod_websocket: Enforce size limits on received frames (fixes #1593)

Fixes and improvements:

• mod_c2s, mod_s2s: Make stanza size limits configurable
• Add configuration options to control Lua garbage collection parameters
• net.http: Backport SNI support for outgoing HTTP requests (#409)
• mod_websocket: Process all data in the buffer on close frame and
  connection errors (fixes #1474, #1234)
• util.indexedbheap: Fix heap data structure corruption, causing some
  timers to fail after a reschedule (fixes #1572)

Update to 0.11.6:

Fixes and improvements:

• mod_storage_internal: Fix error in time limited queries on items without
  ���when��� field, fixes #1557
• mod_carbons: Fix handling of incoming MUC PMs #1540
• mod_csi_simple: Consider XEP-0353: Jingle Message Initiation important
• mod_http_files: Avoid using inode in etag, fixes #1498: Fail to download
  file on FreeBSD
• mod_admin_telnet: Create a DNS resolver per console session (fixes
  #1492: Telnet console DNS commands reduced usefulness)
• core.certmanager: Move EECDH ciphers before EDH in default cipherstring
  (fixes #1513)
• mod_s2s: Escape invalid XML in loggin (same way as mod_c2s) (fixes
  #1574: Invalid XML input on s2s connection is logged unescaped)
• mod_muc: Allow control over the server-admins-are-room-owners feature
  (see #1174)
• mod_muc_mam: Remove spoofed archive IDs before archiving (fixes #1552:
  MUC MAM may strip its own archive id)
• mod_muc_mam: Fix stanza id filter event name, fixes #1546: mod_muc_mam
  does not strip spoofed stanza ids
• mod_muc_mam: Fix missing advertising of XEP-0359, fixes #1547:
  mod_muc_mam does not advertise stanza-id

Minor changes:

• net.http API: Add request:cancel() method
• net.http API: Fix traceback on invalid URL passed to request()
• MUC: Persist affiliation_data in new MUC format
• mod_websocket: Fire event on session creation (thanks Aaron van Meerten)
• MUC: Always include ���affiliation���/���role��� attributes, defaulting
  to ���none��� if nil
• mod_tls: Log when certificates are (re)loaded
• mod_vcard4: Report correct error condition (fixes #1521: mod_vcard4
  reports wrong error)
• net.http: Re-expose destroy_request() function (fixes unintentional API
  breakage)
• net.http.server: Strip port from Host header in IPv6 friendly way (fix
  #1302)
• util.prosodyctl: Tell prosody do daemonize via command line flag (fixes
  #1514)
• SASL: Apply saslprep where necessary, fixes #1560: Login fails if
  password contains special chars
• net.http.server: Fix reporting of missing Host header
• util.datamanager API: Fix iterating over ���users��� (thanks marc0s)
• net.resolvers.basic: Default conn_type to ���tcp��� consistently if
  unspecified (thanks marc0s)
• mod_storage_sql: Fix check for deletion limits (fixes #1494)
• mod_admin_telnet: Handle unavailable cipher info (fixes #1510:
  mod_admin_telnet backtrace)
• Log warning when using prosodyctl start/stop/restart
• core.certmanager: Look for privkey.pem to go with fullchain.pem (fixes
  #1526)
• mod_storage_sql: Add index covering sort_id to improve performance
  (fixes #1505)
• mod_mam,mod_muc_mam: Allow other work to be performed during archive
  cleanup (fixes #1504)
• mod_muc_mam: Don���t strip MUC tags, fix #1567: MUC tags stripped by
  mod_muc_mam
• mod_pubsub, mod_pep: Ensure correct number of children of (fixes #1496)
• mod_register_ibr: Add FORM_TYPE as required by XEP-0077 (fixes #1511)
• mod_muc_mam: Fix traceback saving message from non-occupant (fixes #1497)
• util.startup: Remove duplicated initialization of logging (fix #1527:
  startup: Logging initialized twice)

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods
like YaST online_update or “zypper patch”.

Alternatively you can run the command listed for your product:

• openSUSE Leap 15.2:

  zypper in -t patch openSUSE-2021-728=1